Home / 914,698.20-1,372,047.30-616,099.80

Finding the Fourth Proportional to 914,698.20, 1,372,047.30 and 616,099.80

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Solution

The fourth proportional to 914,698.20, 1,372,047.30 and 616,099.80 is: 924,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,698.20 : 1,372,047.30 = 616,099.80 : x
  2. Step 2: Convert to fraction form
    914,698.20/1,372,047.30 = 616,099.80/x
  3. Step 3: Cross multiply
    914,698.20x = 1,372,047.30 × 616,099.80
  4. Step 4: Simplify right side
    914,698.20x = 845,318,067,120.54
  5. Step 5: Solve for x
    x = 845,318,067,120.54/914,698.20
  6. Step 6: Final answer
    x = 924,149.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.